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I had been experiencing performance issues with my diesel engine, and after a consultation with Issa Diesel Specials, I decided to invest in an injector tester. The product was easy to use, and after testing my injectors, I was able to identify a couple of faulty ones that needed replacement. The clarity and accuracy of the tester made the process simple, and I’m grateful for the support I received from the team. My vehicle runs better than ever now!